Changed parameter type from long to integer
Changed parameter type from long to integer

PHP does not have a long type, and IDEs don't necessarily understand that long is the same as integer. 
E.g. PhpStorm will give an error like this: `Expected parameter of type '\Google\Protobuf\Internal\long', 'int' provided`
google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf